Prostaglandin D<sub>2</sub>

Prostaglandin D2

CAT N°: 12010
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Prostaglandin D2 (PGD2) is the major eicosanoid product of mast cells and is released in large quantities during allergic and asthmatic anaphylaxis.{416} Mastocytosis patients produce excessive amounts of PGD2, which causes vasodilation, flushing, hypotension, and syncopal episodes.{416} PGD2 is also produced in the brain via an alternative pathway involving a soluble, secreted PGD-synthase also known as ?-trace.{328,1185} In the brain, PGD2 produces normal physiological sleep and lowering of body temperature.{328,1185} Further pharmacological actions include inhibition of platelet aggregation and relaxation of vascular smooth muscle.{580} PGD2 inhibits human ovarian tumor cell proliferation with an IC50 of 6.8 µM.{1349}

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